Suspender rhymes with:
spender, pender, spender, bender, blender, brender, brendor, callender, cavender, challender, contender, defender, ender, engender, fender, gender, kender, lender, offender, pender, pretender, render, schlender, sender, skender, slender, spender, splendor, stender, surrender, tender, transgender, vendor, wender, yender, zehnder, zender